Moved isolate high watermark calculations into the Observatory client.

runtime/vm/thread_registry.cc

 // Copyright (c) 2015, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "vm/thread_registry.h"
 
 #include "vm/isolate.h"
 #include "vm/json_stream.h"
 #include "vm/lockers.h"
 
@@ skipping 177 matching lines @@
   ASSERT(thread != NULL);
   ASSERT(thread->os_thread_ == NULL);
   ASSERT(thread->isolate_ == NULL);
   ASSERT(thread->heap_ == NULL);
   ASSERT(threads_lock()->IsOwnedByCurrentThread());
   // Add thread to the free list.
   thread->next_ = free_list_;
   free_list_ = thread;
 }
 
-
-uintptr_t ThreadRegistry::ThreadHighWatermarksTotalLocked() const {
-  ASSERT(threads_lock()->IsOwnedByCurrentThread());
-  uintptr_t memory_high_watermarks_total = 0;
-  Thread* current = active_list_;
-  while (current != NULL) {
-    memory_high_watermarks_total += current->memory_high_watermark();
-    current = current->next_;
-  }
-  return memory_high_watermarks_total;
-}
-
 }  // namespace dart